package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface ShoppingMapper {
    /**
     * 查询需要把前端传来的所有值进行对比
     * @param shoppingCart
     * @return
     */
    List<ShoppingCart> list(ShoppingCart shoppingCart);

    /**
     * 更新购物车中商品数量
     * @param  shoppingCart
     */
    @Update("update sky_take_out.shopping_cart set number=#{number} where id=#{id}")
    void updateNumById(ShoppingCart shoppingCart);

    /**
     * 插入商品进购物车表
     * @param shoppingCart
     */
    @Insert("insert into sky_take_out.shopping_cart (" +
            "name, image, user_id, dish_id, setmeal_id, dish_flavor, amount, create_time)" +
            "values (#{name},#{image},#{userId},#{dishId},#{setmealId},#{dishFlavor},#{amount},#{createTime})")
    void insert(ShoppingCart shoppingCart);

    /**
     * 清空购物车
     * @param currentId
     */
    @Delete("delete from sky_take_out.shopping_cart where user_id =#{currentId}")
    void deleteShoppingCartById(Long currentId);

    @Delete("delete from sky_take_out.shopping_cart where id=#{id}")
    void deleteById(Long id);
}
